STATE OF WISCONSIN INVESTMENT BOARD — 13F Holdings & Portfolio
CIK 854157 · latest 13F-HR filed 2026-05-15
STATE OF WISCONSIN INVESTMENT BOARD manages $43.70B in 13F-reported U.S. long-equity assets across 2,491 reported positions as of its 2026-03-31 13F-HR filing. Its largest disclosed positions are NVDA (5.20%), AAPL (4.59%), MSFT (3.22%). Quarter over quarter (versus its 2025-12-31 filing) the fund opened 280 new positions, exited 155, added to 901, and trimmed 927.
AUM is the long-equity portion reported on Form 13F-HR. Excludes short positions, cash, foreign holdings, and non-13F assets. For informational purposes only — not investment advice.
$43.70B
Long-equity book
2,491
Distinct positions
2026-03-31
Filed 2026-05-15
+280 / −155 / ↑901 / ↓927
vs 2025-12-31
| Name | Title / Status | Ownership | Type |
|---|
Top Adds (vs prior quarter)
- EXXON MOBIL CORP$117.3M +44.1%
- ZILLOW GROUP INC$79.8M +1389.0%
- CHEVRON CORPORATION$60.0M +39.4%
- JOHNSON & JOHNSON$57.3M +22.1%
- HEICO CORP NEW$51.9M +20.7%
Top Trims
- MICROSOFT CORP-$367.7M -20.7%
- INVESCO EXCHANGE TRADED FD T-$359.5M -22.1%
- TESLA INC-$96.6M -14.6%
- FOX CORP-$89.6M -17.7%
- META PLATFORMS INC-$74.5M -10.0%
New Positions
- SIMPLIFY EXCHANGE TRADED FUN$104.3M
- ASTRAZENECA PLC$96.6M
- ISHARES TR$25.9M
- PETROLEO BRASILEIRO S A$22.1M
- AMCOR PLC$19.9M
Exited Positions
- SPDR SERIES TRUST$54.0M
- JANUS DETROIT STR TR$50.6M
- ZILLOW GROUP INC$40.6M
- SSGA ACTIVE ETF TR$25.1M
- PINNACLE FINL PARTNERS INC$24.3M
Rows tagged Call or Put are options positions, not stock. Per SEC Form 13F-HR, Value shows the notional value of the underlying (shares covered × underlying price), not the option premium. Shares is the number of underlying shares covered (divide by 100 for contract count).
| # | Issuer | Symbol | CUSIP | Value | Weight | Shares | Type |
|---|---|---|---|---|---|---|---|
| 1 | NVIDIA CORPORATION | NVDA | 67066G104 | $2.27B | 5.20% | 13,031,252 | SH |
| 2 | APPLE INC | AAPL | 037833100 | $2.01B | 4.59% | 7,905,859 | SH |
| 3 | MICROSOFT CORP | MSFT | 594918104 | $1.41B | 3.22% | 3,801,033 | SH |
| 4 | INVESCO EXCHANGE TRADED FD T | RSP | 46137V357 | $1.27B | 2.90% | 6,596,500 | SH |
| 5 | AMAZON COM INC | AMZN | 023135106 | $1.08B | 2.46% | 5,170,390 | SH |
| 6 | ALPHABET INC | GOOGL | 02079K305 | $899.5M | 2.06% | 3,128,058 | SH |
| 7 | BROADCOM INC | AVGO | 11135F101 | $760.3M | 1.74% | 2,456,462 | SH |
| 8 | ALPHABET INC | GOOG | 02079K107 | $746.8M | 1.71% | 2,603,192 | SH |
| 9 | META PLATFORMS INC | META | 30303M102 | $667.7M | 1.53% | 1,167,125 | SH |
| 10 | TESLA INC | TSLA | 88160R101 | $563.1M | 1.29% | 1,514,635 | SH |
| 11 | BERKSHIRE HATHAWAY INC DEL | BRK.A | 084670108 | $452.4M | 1.04% | 630 | SH |
| 12 | JPMORGAN CHASE & CO | JPM | 46625H100 | $428.7M | 0.98% | 1,457,420 | SH |
| 13 | FOX CORP | FOX | 35137L204 | $415.3M | 0.95% | 7,820,708 | SH |
| 14 | ELI LILLY & CO | LLY | 532457108 | $396.6M | 0.91% | 431,162 | SH |
| 15 | HARBOR ETF TRUST | HAPI | 41151J877 | $391.5M | 0.90% | 9,871,200 | SH |
| 16 | EXXON MOBIL CORP | XOM | 30231G102 | $383.1M | 0.88% | 2,257,774 | SH |
| 17 | BERKSHIRE HATHAWAY INC DEL | BRK.B | 084670702 | $356.1M | 0.81% | 743,054 | SH |
| 18 | JOHNSON & JOHNSON | JNJ | 478160104 | $316.6M | 0.72% | 1,295,189 | SH |
| 19 | HEICO CORP NEW | HEI.A | 422806208 | $302.8M | 0.69% | 1,434,629 | SH |
| 20 | WALMART INC | WMT | 931142103 | $291.7M | 0.67% | 2,347,437 | SH |
| 21 | VISA INC | V | 92826C839 | $275.1M | 0.63% | 910,168 | SH |
| 22 | ISHARES TR | ISTB | 46432F859 | $262.4M | 0.60% | 5,415,025 | SH |
| 23 | COSTCO WHOLESALE CORPORATION | COST | 22160K105 | $239.5M | 0.55% | 240,394 | SH |
| 24 | MASTERCARD INCORPORATED | MA | 57636Q104 | $230.4M | 0.53% | 461,128 | SH |
| 25 | NETFLIX INC. | NFLX | 64110L106 | $221.2M | 0.51% | 2,301,025 | SH |
| 26 | CHEVRON CORPORATION | CVX | 166764100 | $212.2M | 0.49% | 1,025,556 | SH |
| 27 | ABBVIE INC | ABBV | 00287Y109 | $206.8M | 0.47% | 950,731 | SH |
| 28 | MICRON TECHNOLOGY INC | MU | 595112103 | $203.6M | 0.47% | 602,703 | SH |
| 29 | ARK ETF TR | ARKK | 00214Q104 | $199.6M | 0.46% | 2,953,544 | SH |
| 30 | NEWS CORP NEW | NWSA | 65249B109 | $189.4M | 0.43% | 7,598,974 | SH |
| 31 | PROCTER & GAMBLE CO | PG | 742718109 | $180.7M | 0.41% | 1,251,132 | SH |
| 32 | PALANTIR TECHNOLOGIES INC | PLTR | 69608A108 | $180.3M | 0.41% | 1,232,702 | SH |
| 33 | CATERPILLAR INC | CAT | 149123101 | $179.9M | 0.41% | 253,869 | SH |
| 34 | BANK AMERICA CORP | BAC | 060505104 | $179.7M | 0.41% | 3,685,260 | SH |
| 35 | ADVANCED MICRO DEVICES INC | AMD | 007903107 | $178.2M | 0.41% | 876,033 | SH |
| 36 | HOME DEPOT INC | HD | 437076102 | $175.4M | 0.40% | 533,399 | SH |
| 37 | CISCO SYS INC | CSCO | 17275R102 | $171.1M | 0.39% | 2,205,020 | SH |
| 38 | GE AEROSPACE | GE | 369604301 | $167.3M | 0.38% | 589,715 | SH |
| 39 | COCA COLA CO | KO | 191216100 | $166.5M | 0.38% | 2,189,290 | SH |
| 40 | MERCK & CO INC | MRK | 58933Y105 | $164.3M | 0.38% | 1,366,001 | SH |
| 41 | LAM RESEARCH CORP | LRCX | 512807306 | $152.7M | 0.35% | 714,596 | SH |
| 42 | APPLIED MATLS INC | AMAT | 038222105 | $147.1M | 0.34% | 430,459 | SH |
| 43 | ISHARES TR | EEM | 464287234 | $143.6M | 0.33% | 2,528,628 | SH |
| 44 | HARBOR ETF TRUST | HAPS | 41151J851 | $140.7M | 0.32% | 4,520,000 | SH |
| 45 | RTX CORPORATION | RTX | 75513E101 | $140.3M | 0.32% | 727,412 | SH |
| 46 | PHILIP MORRIS INTL INC | PM | 718172109 | $138.9M | 0.32% | 840,288 | SH |
| 47 | BROOKFIELD RENEWABLE ENERGY | BEP | G16258108 | $137.8M | 0.32% | 4,220,282 | SH |
| 48 | GOLDMAN SACHS GROUP INC | GS | 38141G104 | $136.8M | 0.31% | 161,721 | SH |
| 49 | ORACLE CORP | ORCL | 68389X105 | $136.2M | 0.31% | 925,709 | SH |
| 50 | GE VERNOVA INC | GEV | 36828A101 | $135.7M | 0.31% | 155,445 | SH |
| Period | Filed | AUM | Holdings | Accession |
|---|---|---|---|---|
| 2026-03-31 | 2026-05-15 | $43.70B | 2,491 | 0001062993-26-002676 |
| 2025-12-31 | 2026-02-17 | $44.74B | 2,365 | 0001062993-26-000957 |
| 2025-09-30 | 2025-11-14 | $43.62B | 2,366 | 0001062993-25-016783 |